AQA Computer Science GCSE - 3.5 Computer networks

Computers in this network are connected in a line.

• Bus Network
• Simple Network
• Train Network
• Straight Network

A technique where each letter in a string is shifted along the alphabet, to hide the meaning of the text.

• Julius Cipher
• Caesar Cipher
• Nero Cipher
• Claudius Cipher

Sending data between one or more computers

• Transmitting
• Communication
• Receiving
• Duplex Transmission

Scrambling data to prevent it being understood by unauthorised users.

• Decryption
• Encryption
• Compressing
• Modifying

Standard protocol set for network cabling.

• Ethernet
• RJ45
• ADSL
• Cat5

Software to control data going in and out of a network.

• Anti Virus
• Hub
• Switch
• Firewall

The protocol used to transfer files between computers.

• IMAP
• HTTP
• FTP
• SMTP

The language in which web pages are created.

• Unicode
• HTTP
• HTML
• TCP/IP

The general protocol used on the World Wide Web.

• POP3
• FTP
• HTTP
• ASCII

A protocol for secure web pages.

• SMTP
• FTP
• HTTP
• HTTPS